Trifluoroacetic acid → HCID 178513095, compound

Participants

Reaction Steps

30 mg of the product obtained in step d) were dissolved in 3 ml of dichloromethane. 0.3 ml of trifluoroacetic acid were added, and the mixture was stirred at room temperature. After 3.5 hours the solution was evaporated, the residue was dissolved in 2 ml of glacial acetic acid and again evaporated in vacuo. This procedure was repeated twice. Then the residue was triturated with diethyl ether to give a suspension which, after filtration, gave 6.3 mg of the title compound as a colourless amorphous solid.

Provenance & Evidence